Are you
A Bank
I am History and Heritage.
Banks serve as history of transactions and economical flow. They are also heritage. Also, there is a Heritage Bank :)
I am the Strand's Source.
Banks of river.
I am an Extractor of Enrichment.
Banks are extractor of money.
Old
Are you
A Sea
I am History and Heritage.
Oceans around the world have numerous historical things related to them. Also, they serve as a heritage for many creatures.
I am the Strand's Source.
Strand can mean the shore of a sea and for us, it is a source for a voyage.
I am an Extractor of Enrichment.
Precious pearls can be extracted from the sea.
trivia
tag? $\endgroup$